Modem



FIG. 1 is a perspective view of the modem showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a side view with the opposite side view being substantially identical;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof; and

FIG. 6 is a rear view thereof. 

The ornamental design for a modem, substantially as shown. 